VLV_PCS01_DW10
val = vlv_dpio_read(dev_priv, pipe, VLV_PCS01_DW10(ch));
vlv_dpio_write(dev_priv, pipe, VLV_PCS01_DW10(ch), val);
val = vlv_dpio_read(dev_priv, pipe, VLV_PCS01_DW10(ch));
vlv_dpio_write(dev_priv, pipe, VLV_PCS01_DW10(ch), val);